Home / 630,269.80-869,750.82-375,616.36

Finding the Fourth Proportional to 630,269.80, 869,750.82 and 375,616.36

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Solution

The fourth proportional to 630,269.80, 869,750.82 and 375,616.36 is: 518,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,269.80 : 869,750.82 = 375,616.36 : x
  2. Step 2: Convert to fraction form
    630,269.80/869,750.82 = 375,616.36/x
  3. Step 3: Cross multiply
    630,269.80x = 869,750.82 × 375,616.36
  4. Step 4: Simplify right side
    630,269.80x = 326,692,637,115.42
  5. Step 5: Solve for x
    x = 326,692,637,115.42/630,269.80
  6. Step 6: Final answer
    x = 518,337.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.